<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title></title>
</head>

<body>
    <label for="checkbox1">选我</label>
    <input type="checkbox" id="checkbox1">

    <label for="radio1">单选框</label>
    <input type="radio" id="radio1">

    <label>
        <input type="checkbox">点我选中复选框
    </label>
</body>

</html>